Giant Swallowtail of the Andes vs Eri Silk Moth

Side-by-side species comparison

Attribute Giant Swallowtail of the Andes Eri Silk Moth
Scientific Name Papilio thoas Samia ricini
Order Lepidoptera Lepidoptera
Family Papilionidae Saturniidae
Size 110-140 mm wingspan Wingspan 100-130 mm
Habitat Rivers & Streams Farmland
Diet Nectar Feeders Herbivores
Regions South America (Brazil, Argentina, Colombia, Venezuela, Peru, Ecuador, Bolivia) India (Assam), China, Japan, Southeast Asia
Conservation Least Concern Not Evaluated

Giant Swallowtail of the Andes

One of the largest swallowtail butterflies in South America, with bold yellow and black striped wings and long tail streamers. It is a powerful flier that ranges from sea level to over 2000 m in the Andes. Larvae mimic bird droppings as a defense mechanism.

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Did You Know?

When threatened, the caterpillar everts a bright red forked organ called an osmeterium from behind its head, releasing a foul-smelling chemical.

Eri Silk Moth

A large domesticated silk moth with chocolate-brown wings bearing crescent-shaped eyespots. It produces a durable white silk harvested without killing the pupa.

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Did You Know?

It is the only fully domesticated silk moth whose silk can be harvested without killing the pupa inside the cocoon.